urbit/gen/dns/ip.hoon

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:: DNS: configure ip address
::
:::: /hoon/authority/dns/gen
::
/- *dns, *sole
/+ *generators
:- %ask
|= $: [now=@da eny=@uvJ bec=beak]
[arg=$@(~ [addr=@if ~])]
~
==
^- (sole-result [%dns-command command])
=* our p.bec
=- ?~ arg -
(fun.q.q addr.arg)
%+ prompt
[%& %dns-address "ipv4 address: "]
%+ parse
`$-(nail (like @if))`;~(pfix ;~(pose dot (easy ~)) lip:ag)
|= addr=@if
?: (reserved:eyre addr)
=/ msg "unable to bind reserved ipv4 address {(scow %if addr)}"
(print leaf+msg no-product)
%- produce
[%dns-command %ip %if addr]